2 years ago

X^2 + 3x - 4 please answer quickly! i will mark whoever answers first as brainliest <3

Mathematics

1 answer:

vlabodo [156]2 years ago

4 0

Answer:

(x-1) (x+4)

Step-by-step explanation:

Factor x^2+3x-4 using the AC method

You might be interested in

!!! please help !!! i’ll mark brainlest or whatever if it’s right :)

Lisa [10]

Answer:

rectangular prism

Step-by-step explanation:

4 0

2 years ago

Can someone help me on number 8. I tried to do it, but I can’t seem to find the right answer.

qaws [65]

Check the picture below.

4 0

3 years ago

Find the length of side x in the simplest radical form with a rational denominator

barxatty [35]

Answer: 10√3 / 3

Step-by-step explanation:

cos 30 = 5 / x

x = 5 / cos 30

= 5 / √3 / 2

= 10 √3

= 10√3 / 3

3 0

2 years ago

Read 2 more answers

Assume that a procedure yields a binomial distribution with a trial repeated n times. Use the binomial probability formula to fi

Keith_Richards [23]

Answer:

P(X = 12) = 0.0064.

Step-by-step explanation:

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

In this problem we have that:

$n = 30, p = 0.2$

We want P(X = 12). So

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 12) = C_{30,12}.(0.2)^{12}.(0.8)^{18} = 0.0064$

P(X = 12) = 0.0064.

6 0

2 years ago

the moon is about 240,000 miles from Earth. What is this distance written as a whole number multiplied by a power of ten?

Ronch [10]

I'm not sure does anyone else know the answer?

3 0

3 years ago